README.md in tdlib-ruby-2.1.0 vs README.md in tdlib-ruby-2.2.0

- old
+ new

@@ -1,8 +1,8 @@
 # tdlib-ruby
 
-[![Maintainability](https://api.codeclimate.com/v1/badges/9362ca2682b7edbae205/maintainability)](https://codeclimate.com/github/centosadmin/tdlib-ruby/maintainability) [![Build Status](https://travis-ci.org/centosadmin/tdlib-ruby.svg?branch=master)](https://travis-ci.org/centosadmin/tdlib-ruby)
+[![Maintainability](https://api.codeclimate.com/v1/badges/9362ca2682b7edbae205/maintainability)](https://codeclimate.com/github/centosadmin/tdlib-ruby/maintainability) [![Build Status](https://travis-ci.org/southbridgeio/tdlib-ruby.svg?branch=master)](https://travis-ci.org/centosadmin/tdlib-ruby)
 
 ## Description
 
 Ruby bindings and client for TDLib (Telegram database library).
 
@@ -28,9 +28,10 @@
 | Gem Version   |   | tdlib version |
 |:-------------:|:-:| :-----------: |
 | 1.x           | → | 1.0 - 1.2     |
 | 2.0           | → | 1.3           |
 | 2.1           | → | 1.5           |
+| 2.2           | → | 1.6           |
 
 ## Install
 
 Add to your gemfile:
 